Hazel Coats

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Malignancy arising in porokeratoses is a well recognised but infrequently reported complication. Histological studies suggest that malignancy arises from the abnormal clone of keratinocytes which produce the cornoid lamella. We report two cases of squamous cell carcinoma arising in porokeratoses and postulate genetic, environmental and host factors as(More)
Toric geometry studies manifolds M2n acted on effectively by a torus of half their dimension, T . Joyce shows that for such a 4-manifold sufficient conditions for a conformal class of metrics on the free part of the action to be self-dual can be given by a pair of linear ODEs and gives criteria for a metric in this class to extend to the degenerate orbits.(More)
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